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ZIMSEC O-Level Agriculture

5.2.2Soil texture, structure and profile

Soil texture, structure and profile in ZIMSEC O-Level Agriculture: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson
Practise this topicAll Agriculture topics

Learning objectives

What the syllabus expects you to be able to do.

  1. 5.2.2.1Form 1: identify soil particles in order of size, explain the significance of soil texture and describe soil structure, distinguishing single-grain from crumb structure and structure from texture.
  2. 5.2.2.2Form 3: list the eight textural classes and determine the textural class of a soil using the textural triangle.
  3. 5.2.2.3Form 3: explain the importance of soil structure and the factors affecting it, and identify methods of improving and maintaining a good structure.

Lessons

  • Soil texture and soil structure

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Soil texture, structure and profile: sample question

1 mark

A moist soil sample feels sticky, stains the fingers and can be rolled into a long, thin thread. Which particle is most abundant in it?

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